Freezer throws an error when unfreezing without owner

[Aws0mee]

This error happens when the owner of a freezer disconnects and you try to freeze a prop with it, unfreezing does not seem to throw any errors.

L 11/07/2022 - 00:34:15: Lua Error: Wire error (Entity [461][gmod_wire_freezer]):
gamemodes/base/gamemode/player.lua:15: attempt to call method 'AddFrozenPhysicsObject' (a nil value)
stack traceback:
	gamemodes/base/gamemode/player.lua:15: in function 'OnPhysgunFreeze'
	gamemodes/sandbox/gamemode/init.lua:54: in function 'Call'
	addons/wiremod/lua/entities/gmod_wire_freezer.lua:28: in function <addons/wiremod/lua/entities/gmod_wire_freezer.lua:20>
	[C]: in function 'xpcall'
	addons/wiremod/lua/wire/server/wirelib.lua:58: in function 'TriggerInput'